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Run electrs on Docker using bitcoind on a separate container. SSL supported.

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docker-electrs

Run romanz/electrs on Docker using bitcoind on a separate container.

Setup

Setup docker-compose.yml and environment variables

cp docker-compose-template.yml docker-compose.yml
cp config.sample.toml config.toml
vim config.toml # Edit the configuration to fit your needs

Start the container

# Make sure to start bitcoind container *before* starting this electrs container
docker compose up -d

Access the shell inside the container

# In host
docker ps # Check container id
docker exec -it container_id bash

See logs

docker logs --tail 100 container_id

# It should show logs something like this
# Starting electrs 0.10.0 on x86_64 linux with Config { network: Bitcoin, db_path: "/electrs/data/bitcoin", daemon_dir: "/data/.bitcoin", daemon_auth: UserPass("root", "<sensitive>"), daemon_rpc_addr: 192.168.128.2:8332, daemon_p2p_addr: 192.168.128.2:8333, electrum_rpc_addr: 127.0.0.1:50001, monitoring_addr: 127.0.0.1:4224, wait_duration: 10s, jsonrpc_timeout: 15s, index_batch_size: 10, index_lookup_limit: None, reindex_last_blocks: 0, auto_reindex: true, ignore_mempool: false, sync_once: false, skip_block_download_wait: false, disable_electrum_rpc: false, server_banner: "Welcome to electrs 0.10.0 (Electrum Rust Server)!", signet_magic: e3cdb3a1, args: [] }
# [2023-08-14T05:16:29.430Z INFO  electrs::metrics::metrics_impl] serving Prometheus metrics on 127.0.0.1:4224
# [2023-08-14T05:16:29.430Z INFO  electrs::server] serving Electrum RPC on 127.0.0.1:50001
# ...
# [2023-08-14T05:36:55.049Z INFO  electrs::index] indexing 2000 blocks: [589681..591680]
# [2023-08-14T05:37:37.995Z INFO  electrs::chain] chain updated: tip=0000000000000000001eba1320x7f2312b, height=591680
# [2023-08-14T05:37:37.999Z INFO  electrs::index] indexing 2000 blocks: [591681..593680]

SSL connection

By setting your own SSL certificate, electrs can be served through SSL at port 50002. nginx is used as the reverse proxy. If you do not prefer to use SSL, you can simply enable the binding setting for port 50001 in docker-compose.yml.

  • /nginx/nginx.conf
    • Modified version of the default configuration file
    • This file is binded to /etc/nginx/nginx.conf in the container.
    • include /etc/nginx/conf.stream.d/*.conf has been added to add SSL support to electrs. (c.f. (link) )
  • /nginx/conf.stream.d/electrs.conf
    • Configuration file to add SSL support to electrs.
    • See the original documentation from romanz/electrs for details (link).
  • Install your SSL certificate at the root directory, or change the bind settings in docker-compose.yml.

Usage

Your electrs node should be available at https://localhost:50002 (when using SSL).

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Run electrs on Docker using bitcoind on a separate container. SSL supported.

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